int
db_add_propdef(Objid oid, const char *pname, Var value, Objid owner,
unsigned flags)
{
Object *o;
Pval pval;
int i;
db_prop_handle h;
h = db_find_property(oid, pname, 0);
if (h.ptr || property_defined_at_or_below(pname, str_hash(pname), oid))
return 0;
o = dbpriv_find_object(oid);
if (o->propdefs.cur_length == o->propdefs.max_length) {
Propdef *old_props = o->propdefs.l;
int new_size = (o->propdefs.max_length == 0
? 8 : 2 * o->propdefs.max_length);
o->propdefs.l = mymalloc(new_size * sizeof(Propdef), M_PROPDEF);
for (i = 0; i < o->propdefs.max_length; i++)
o->propdefs.l[i] = old_props[i];
o->propdefs.max_length = new_size;
if (old_props)
myfree(old_props, M_PROPDEF);
}
o->propdefs.l[o->propdefs.cur_length++] = dbpriv_new_propdef(pname);
pval.var = value;
pval.owner = owner;
pval.perms = flags;
insert_prop_recursively(oid, o->propdefs.cur_length - 1, pval);
return 1;
}
static Propdef
read_propdef()
{
const char *name = dbio_read_string_intern();
return dbpriv_new_propdef(name);
}
